Rails Cache

"3" cache = = Cash Cache = = Cash, cache equals cash income. Although this is a bit exaggerated, the correct use of caching for the construction of large Web sites is a vital event. The response speed of a website in response to a user request is a major factor affecting the user experience. There are many reasons to affect speed, one of the important reasons is the hard disk read/write (disk IO). Table 1 compares memory (RAM), HDD (disk), and new Flash (Flash), speed in reading and writing ...

Ryan http://www.aliyun.com/zixun/aggregation/13830.html ">paul wrote an in-depth look at the design of the mobile side of LinkedIn, where we saw: 23% of mobile users; focus on simplicity , ease of use and reliability; 30% native code, 70% uses HTML, embedded lightweight HTTP service, single client application link cloud server, back-end service from rails to node.js. Once ...

With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...

In recent years, with the continuous innovation and development of the Internet industry, batch after group of websites or be eliminated or stand out, for those successful websites, most of them already exist nearly 10 or more than 10 years, in such a long period of development, in addition to the business facing the challenges, Technically, it's also a lot of challenges. The following selected Alexa rankings of the previous site (ranking up to April 21, 2012, by analyzing how they are technically coping with the challenges of business development process, to a deeper understanding of the development of the Internet industry in recent years. ...

Today, more and more PAAs (platform service) providers, in the field of cloud computing has launched a fierce competition. Cloud computing works well with the development mechanism for deploying applications.     IAAS providers provide basic computing resources, SaaS providers provide online applications such as online CRM, and PAAs offerings provide developers with a one-stop service that allows our applications to start and run quickly without paying attention to some infrastructure issues. As a service provided on the PAAs platform ...

"5" Data flow and control flow in the previous article, Twitter has two main points to watch, caching and Message Queuing. The role of Message Queuing is to "isolate user requests and related operations in order to flatten traffic peaks (move operations out of the synchronous request cycle, amortize load over time)". By letting the Apache process empty loop, quickly accept ...

"4" Flood fighting needs isolation if you say how to use cache is a big aspect of Twitter, then another big thing is its message queue. Why use Message Queuing? [14] The explanation is "isolate user requests and related operations so that the peak flow (move operations out of the synchronous request cycle, amortize load over time)". In order to understand this paragraph ...

Nginx can be compiled and run on most Unix like OS and has a Windows portable version. Currently Nginx's 1.0.0 stable version has been released, the development version of 0.9.x, stable version of 0.8.x, the history of the stable version of 0.7.x, the proposed 0.8 series as a production version. Nginx's source code uses 2-clause bsd-like license. Nginx is a very high performance Web and reverse proxy server, it has a lot of excellent ...

"7" as a progressive not completely incomplete way of working, for architectural design is a progress. When a user from a browser requests to reach the Twitter backend, the first one to greet it is the Apache Web Server. The second exit is Mongrel Rails Server. Mongrel is responsible for handling requests for uploads as well as for downloading requests. Mongrel processing upload and download business logic is very concise, but the simple appearance, but contains the unconventional ...

The author of this article will introduce some of the leading cloud computing platforms and provide guidance on use cases that these cloud platforms can handle. Platform as a service (PaaS) is often considered to be one of the three major cloud computing service delivery models, and the other two are infrastructure, service and software. It accelerates cloud application development, provides managed infrastructure, simple and flexible resource allocation, and rich tools and services to help achieve efficient code and Run-time performance. However, the term hides the broad diversity of the cloud platform. Coarse look, windows&r ...